Air Intake BMW E90 E91 E92 E93 LCI 2 Front Hood Suction Inlet Duct

Visual condition of the part

The product shows signs of use visible in the photos.

Air Intake BMW E90 E91 E92 E93 LCI 2 Front Hood Suction Inlet Duct is an original air supply system component designed for installation in the front section of the vehicle body. Engineered by BMW as part of the factory intake system, it ensures stable airflow to the engine and proper integration with the intake manifold. This used component from the Intake Manifolds category allows for an economical yet technically sound repair of the intake system.

Specifications and technical data

• SKU: 7791985-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7791985
• Substitutable numbers: 13717791985, 7791985, EM
• Location on the vehicle: Front
• Category: Intake Manifolds

Purpose and function in the intake system

The presented air intake acts as a duct directing air from the front of the vehicle to the subsequent components of the intake system. Its placement in the front body zone promotes the intake of cooler air, which supports stable engine operation and proper interaction with the intake manifold.

This element is particularly important in the context of:

• maintaining proper intake system flow,
• reducing air turbulence before the intake manifold,
• preserving the factory airflow geometry in BMW 3 Series E90/E91 LCI models.

Compatibility and fitment for BMW

As a part from the Intake Manifolds group, the intake has been developed specifically for the structural requirements of the BMW 3 Series E90/E91 generation after the facelift. This ensures a proper fit with factory mounts, covers, and adjacent engine bay components, without the need for modifications or adaptations.

Thanks to the use of the original design, the following are maintained:

• compliance with factory air duct routing,
• compatibility with standard brackets and guides,
• consistency with other BMW intake system components.

Characteristics of the used component

The offered air intake is a used part, which allows for reduced repair costs while maintaining the manufacturer's original specifications. Such a component, when properly maintained, does not suffer from rapid wear, making it a sensible choice in many cases when replacing a damaged intake duct.

In practice, this allows for:

• restoring proper airflow to the intake manifold,
• maintaining factory installation without interfering with the body structure,
• reducing the risk of poor fitment, which is typical for aftermarket parts with universal geometry.

The importance of a proper air intake in a BMW

A functional intake duct in the front of the vehicle influences engine stability, especially regarding the consistency of air supply conditions. In BMW E90/E91 LCI models, where the intake system is precisely tuned with the control electronics, the correct air intake helps maintain predictable flow parameters.

Replacing a damaged or deformed duct with an original element from the same design group helps to reduce:

• the risk of sucking in air from undesirable areas of the engine bay,
• potential drops in intake system efficiency,
• unwanted noise resulting from leaks or mounting clearances.

Intake system expansion and related components

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as intake ducts, air hoses, or components working with the manifold, check out the available parts in the BMW Intake Manifolds category.

For drivers interested in a broader look at gas flow in the car and the influence of elements like manifolds on engine performance characteristics, our guide article may be useful: Performance exhaust systems: used manifolds and sports catalytic converters on the road. It helps to better understand the relationships between the intake and exhaust systems in modern BMW constructions and other premium brands.